85275760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 204272640

約数和(自身を除く): 118996880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 103, 131, 158, 206, 262, 316, 395, 412, 515, 524, 632, 655, 790, 824, 1030, 1048, 1264, 1310, 1580, 1648, 2060, 2096, 2620, 3160, 4120, 5240, 6320, 8137, 8240, 10349, 10480, 13493, 16274, 20698, 26986, 32548, 40685, 41396, 51745, 53972, 65096, 67465, 81370, 82792, 103490, 107944, 130192, 134930, 162740, 165584, 206980, 215888, 269860, 325480, 413960, 539720, 650960, 827920, 1065947, 1079440, 2131894, 4263788, 5329735, 8527576, 10659470, 17055152, 21318940, 42637880, 85275760]

約数ペア:

[(1, 85275760), (2, 42637880), (4, 21318940), (5, 17055152), (8, 10659470), (10, 8527576), (16, 5329735), (20, 4263788), (40, 2131894), (79, 1079440), (80, 1065947), (103, 827920), (131, 650960), (158, 539720), (206, 413960), (262, 325480), (316, 269860), (395, 215888), (412, 206980), (515, 165584), (524, 162740), (632, 134930), (655, 130192), (790, 107944), (824, 103490), (1030, 82792), (1048, 81370), (1264, 67465), (1310, 65096), (1580, 53972), (1648, 51745), (2060, 41396), (2096, 40685), (2620, 32548), (3160, 26986), (4120, 20698), (5240, 16274), (6320, 13493), (8137, 10480), (8240, 10349)]